C87200 Bare Copper Wire

C87200 copper wire is a cast silicon brass alloy offering good electrical conductivity and corrosion resistance, commonly used in non-magnetic connectors and fasteners requiring moderate strength.

Non-magnetic

Good corrosion resistance

Moderate strength and good electrical conductivity

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Introduction

C87200 Bare Copper Wire

C87200 copper wire is a cast silicon brass alloy known for its excellent combination of non-magnetic properties, good corrosion resistance, and moderate electrical conductivity. It is commonly used in applications such as non-magnetic connectors, fasteners, and electrical components where avoiding magnetic interference is essential while still requiring reliable mechanical performance.

The alloy offers moderate tensile strength, making it suitable for parts that need to withstand light to medium loads without sacrificing electrical function. Additionally, its strong resistance to stress corrosion cracking in atmospheric and fresh water environments enhances its durability and reliability in long-term service.

parameter

Physical Properties

Melting Point – Liquidus°F	1780
Melting Point – Solidus°F	1580
Densitylb/cu in. at 68°F	0.302
Specific Gravity	8.4
Electrical Conductivity% IACS at 68°F	6
Thermal ConductivityBtu/ sq ft/ ft hr/ °F at 68°F	16.4
Specific Heat CapacityBtu/ lb /°F at 68°F	0.09
Modulus of Elasticity in Tensionksi	15000

Our case presentation

Applications for C87200 Bare Copper Wire

Non-magnetic connectors and fasteners

Used in electronic devices, precision instruments, and medical equipment where magnetic interference must be avoided, such as non-magnetic screws and terminal lugs.

Marine and offshore components

Thanks to its good corrosion resistance in fresh water and atmospheric environments, it is suitable for marine pipe fittings, valve parts, and small connectors on offshore platforms.

Electrical wiring and grounding components

In applications requiring moderate electrical conductivity without the need for high-purity copper, such as grounding rods and low-voltage electrical connection strips, it offers a balance between conductivity and structural strength.

Decorative and functional hardware

Due to its excellent castability and workable surface finish, it is often used in architectural hardware, lighting fixture parts, and plumbing fittings where both aesthetics and corrosion resistance are required.

Strength

Company Strength

Our Team

Gnee steel group is a professional one-stop supply chain company for steel products in China. The copper technology has reached the world average technology level and has been approved by dozens of project companies to be the star company in Asia.

Established in 2008 with a registered capital of 5 million RMB, Gnai has made remarkable progress and development in the steel market. At present, the company has a total investment of 30 million yuan, a plant area of more than 35,000 square meters and more than 200 employees. With a clear strategic framework, a complete governance structure, a solid management foundation, and strong financial and human resources, the company is becoming the most professional internationalized steel supply chain company in the Central Plains.

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